The new expansion - called Dark Nexus - adds new skins and new mounts to the game (all very a pleasingly dark, Lovecraftian edge).

The new skins/update also comes with a new comic that will apparently shape the lore of the game for the foreseeable future of the game.

As reported by PCGamesN, the new comic, Rise of the Raven Lord (See More Here), will lay the foundations for future lore in the universe of the game.

"The comic series will continue across the year, but we will not be wrapping every content release into this particular story arc," explains creative content lead, Kevin Johnson to PCGamesN.

"We are doing our best to wrap it all in there, but there are definitely some fun and creative deviations from it planned. That being said, the goal of telling a linear story across the year that people can enjoy and have reflected in-game is something we’ve challenged ourselves to deliver on."

You can see the collected skins below.

Heroes of the Storm - Dark Nexus Skins and more

New Dark Nexus skins and mounts have surfaced in Heroes of the Storm!

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PATCH NOTES FOR HEROES OF THE STORM: DARK NEXUS

Bug Fixes

General

A “Preparing Game Data” window will no longer briefly appear when launching Heroes of the Storm after downloading the latest patch.

Battlegrounds

Objectives:Channeling is now correctly paused if a Hero is hit by a Time Stop effect, like Zeratul’s Void Prison, while attempting to capture the following Battleground Objectives:

Dragon Shire: Dragon Knight

Towers of Doom: Altars

Warhead Junction: Warhead collection

Heroes, Abilities, and Talents

Deckard:Rejuvenation Potion no longer restores resources other than Mana, such as Zarya’s Energy and Sonya’s Fury.

Deckard:Heroes who are Unstoppable can now correctly consume Lesser Healing Potions.

Garrosh:Enemies within line of sight blockers who are hit by Groundbreaker at maximum range are now correctly revealed.

Ice Block:Fixed an issue in which certain Abilities remained castable during Ice Block.

Deckard: Replaced an outdated voiceover line that could play after repeatedly clicking Deckard in the Taiwanese game client.

User Interface

Loot Chests: Fixed an issue in which players could not access their Legendary Loot Chests on the Loot screen.

Voice: Addressed an issue that could cause the game client to crash while using Voice.

What is Heroes of the Storm?

As Blizzard itself states, Heroes of the Storm - commonly abbreviated to HOTS - is a multiplayer online battle arena video game developed and published by Blizzard Entertainment for Microsoft Windows and macOS. The game was was released on June 2, 2015

An official descriptiuon of the game from Blizzard reads:

"Heroes of the Storm is a raucous MOBA starring your favourite Blizzard characters. Build and customize heroes from across every Blizzard universe to suit your play style. Team up with your friends and engage in fast-paced mayhem across varied battlegrounds that impact strategy and change the way you play the game."

The game features heroes from Blizzard's franchises including Warcraft, Diablo, StarCraft, The Lost Vikings, and Overwatch. The game uses both free-to-play and freemium models and is supported by micropayments, which can be used to purchase heroes, visual alterations for the heroes in the game, and mounts.

Because of the game's more open playstyle, Blizzard isn't keen on referring to the game as a MOBA (multiplayer online battle arena) or an RTS (real-time strategy). Instead, the company calls it a 'hero brawler'.